City size comparison

compared to

Sydney is about 22 times smaller than Chicago.

Chicago is approximately 590 sq km, while Sydney is approximately 27 sq km, making Sydney 4.53% the size of Chicago.
Tip: This to-scale comparison of Chicago vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Chicago
Flip Comparison · See true size
See Sydney on top of Chicago
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Cost of Living Comparison · 7 categories - 2026 data
Chicago is 13.3% more expensive than Sydney
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